self
Maths Puzzle
the cost of a piece of diamond varies as the square of its weight. A diamond of cost 5184 is cut into 3 pieces whose weight are in the ratio of 1:2:3. Find the loss involved in cutting.
Read Solution (Total 2)
-
- Let the weight be 6 gms
It is divided into 1gm , 2gm and 3gm
cost price ∝ w^2
=> C1 = 5184 / 36 = rs 144 , C2 = 5184*4/36 = Rs 576 , C3 = 5184*9 / 36 =Rs 1296
C1 + C2 + C3 = 2016
=> Loss = 5184 - 2016 = Rs 3168
=> Loss % = 3168 * 100 / 5184 = 61% - 12 years agoHelpfull: Yes(3) No(5)
- 144+576+1296 = 2016so loss = 5184 - 2016 = 3168 (72^2=5184)
- 12 years agoHelpfull: Yes(3) No(2)
self Other Question